Description

Pyrido[4,3-D]Pyrimidin-4(3H)-One, 7-Chloro- is a high-purity heterocyclic organic compound, identified by CAS number 1650574-62-1, that serves as a critical advanced pharmaceutical intermediate. Its core value lies in its role as a sophisticated building block for the synthesis of novel, targeted therapeutic agents. This product is essential for research and development teams in the pharmaceutical and biotechnology sectors, particularly those focused on oncology and kinase inhibitor discovery.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the development of novel kinase inhibitors for targeted cancer therapies.
• Biochemical Research: Used as a reference standard and active scaffold in high-throughput screening (HTS) and structure-activity relationship (SAR) studies.
• Medicinal Chemistry: Serves as a core heterocyclic structure for the design and synthesis of new chemical entities (NCEs) with potential therapeutic activity.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and process development for clinical trial materials.
• Academic Research: Utilized in university and institutional labs for fundamental research in organic synthesis and drug discovery methodologies.

Basic Information

Product Name	Pyrido[4,3-D]Pyrimidin-4(3H)-One, 7-Chloro-
CAS No.	1650574-62-1
Molecular Formula	C7H4ClN3O
Molecular Weight	181.58 g/mol
Synonyms	7-Chloro-3H-pyrido[4,3-d]pyrimidin-4-one; 7-Chloro-4(3H)-pyrido[4,3-d]pyrimidinone; 7-Chloro-4-hydroxypyrido[4,3-d]pyrimidine; 7-Chloropyrido[4,3-d]pyrimidin-4-ol; 1650574-62-1; 7-Chloro-4-oxo-3,4-dihydropyrido[4,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our Pyrido[4,3-D]Pyrimidin-4(3H)-One, 7-Chloro- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the exacting standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.